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Wiring the channels
October 2023
Figure 3-6: Externally-powered mA output: maximum loop resistance
A. Maximum resistance (Ω)
B. External supply voltage (V)
3.4
Wire the mA/HART
Wire the mA/HART output in explosion-proof, nonincendive, or nonhazardous installations.
Important
Meter installation and wiring should be performed only by suitably-trained personnel.
3.4.1
Wire the mA/HART
Procedure
Wire to the appropriate output terminal and pins.
Figure 3-7: mA/HART output wiring (internally powered)
A
A. mA/HART output
B. 250–600 Ω resistance
C. HART device
26
1100
1000
900
800
700
A
600
500
400
300
200
100
0
0
®
1
2
7.5
15.0
B
output
®
output (internally powered)
Installation Manual
00825-0100-5710
22.5
30.0
C
B
Micro Motion 4700 CIO Transmitter
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